package com.itheima.animaldemo;

public class Test02 {
    public static void main(String[] args) {
       // Fu fu = new Fu();
        Zi zi = new Zi();

    }

}
//抽象类中可以没有抽象方法
//有抽象方法的类必须是抽象类
abstract class Fu{
  public Fu(){

  }
}
class Zi extends  Fu{
  public Zi(){
     super();
  }
}
